3-(ForMylaMino)-1H-pyrazole-4-carboxaMide;5-(forMylaMino)-1H-pyrazole-4-carboxaMide;Allopurinol Related CoMpound B;Allopurinol Related Compound B (25 mg) (5-(formylamino)-1H-pyrazole-4-carboxamide);3-ForMaMidopyrazole-4-carboxaMide;5-forMaMido-1H-pyrazole-4-carboxaMide;Allopurinol EP IMpurity B;Allopurinol Related Compound B (5-(formylamino)-1H-pyrazole-4-carboxamide) (1013013)